Daily Bulletin

HPC System Maintenance July 22-23 2025

July 14, 2025

All HPC resources will be down July 22-23 to allow for network upgrades required for improved Derecho file system performance as well as to perform PBS server and configuration upgrades.

Derecho, Casper, and JupyterHub will be down July 22 and 23. PBS scheduler reservations will be put in place prior to the maintenance window, and all queued jobs will resume after system checkout. 

Globus will be briefly unavailable at the beginning of the maintenance window on July 22.  Campaign Storage will remain up throughout the maintenance window, and can be accessed via Globus when available.

© 2025 UCAR
Postal Address: P.O. Box 3000, Boulder, CO 80307-3000 • Shipping Address: 3090 Center Green Drive, Boulder, CO 80301
National Science Foundation
This material is based upon work supported by the National Center for Atmospheric Research, a major facility sponsored by National Science Foundation and managed by the University Corporation for Atmospheric Research. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the National Science Foundation.